Cooma Weather and Climate
Climate Snapshot
Cooma's warmest month in 2024 was December, averaging 25.8 degrees. That gives Cooma an annual average daytime high of 18.3 degrees, 4.0 degrees cooler than the New South Wales mean.
Daytime highs peak at 25.8 degrees in December and bottom out with overnight lows of 0.6 degrees in July. That is a 25.2 degree spread from hottest afternoon to coldest night. Overnight minimums average 6.6 degrees across the year, 5.9 degrees colder than the New South Wales average of 12.5.
Annual rainfall totals 576mm across 90 rain days, 36 percent drier than the New South Wales average. The wettest month is January at 110mm, and August is the driest at 18mm.
Don't let yearly averages fool you. The difference between January and August is massive, so timing your visit matters.
When we crunch the numbers on temperature, humidity, UV, and rainfall, March comes out as the sweet spot with a Comfort Score of 10.0 out of 10. June sits at the other end at 1.0.
Scroll down for the full month-by-month breakdown, or jump straight to March if you're picking the best time to visit Cooma.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 5.9/10 - Ranked #143 of 213 Australian cities (national avg 6.2, NSW avg 6.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 25.2 | 12.1 | 211 | 9.7 |
| Autumn | 18.0 | 6.8 | 116 | 5.6 |
| Winter | 10.6 | 1.3 | 88 | 1.3 |
| Spring | 19.2 | 6.4 | 160 | 7.0 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Cooma.
24.5°C, 110mm rain February
25.3°C, 57mm rain March
23.5°C, 18mm rain April
17.1°C, 42mm rain May
13.3°C, 56mm rain June
9.1°C, 42mm rain July
9.2°C, 28mm rain August
13.6°C, 18mm rain September
15.1°C, 24mm rain October
18.8°C, 42mm rain November
23.8°C, 94mm rain December
25.8°C, 44mm rain
Compare and Explore
Similar Climates
If you like Cooma's climate, you might also consider:
South Australia - Comfort 5.9/10 Hamilton
Victoria - Comfort 5.9/10 Colac
Victoria - Comfort 5.9/10 Coober Pedy
South Australia - Comfort 5.9/10